Finding the Fourth Proportional to 67,417,505.76, 101,129,201.87 and 21,362,768.80
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Solution
The fourth proportional to 67,417,505.76, 101,129,201.87 and 21,362,768.80 is: 32,045,085.82
Step by Step Solution
- Step 1: Write the proportion equation
67,417,505.76 : 101,129,201.87 = 21,362,768.80 : x - Step 2: Convert to fraction form
67,417,505.76/101,129,201.87 = 21,362,768.80/x - Step 3: Cross multiply
67,417,505.76x = 101,129,201.87 × 21,362,768.80 - Step 4: Simplify right side
67,417,505.76x = 2,160,399,758,117,700.75 - Step 5: Solve for x
x = 2,160,399,758,117,700.75/67,417,505.76 - Step 6: Final answer
x = 32,045,085.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.